package life;

import java.util.ArrayList;
import java.util.Arrays;
import java.util.Deque;
import java.util.LinkedList;

public class JieC {

    public static void main(String[] args) {
        int i = jie(3);
        System.out.println("========================");
        System.out.println(5%-2);
        final int[] a = new int[]{1,2,3,4};
        a[0]=100;
        System.out.println(Arrays.toString(a));
//        int[] b = new int[]{1,2,3,6};
//        a = b;
        float l1 =1L;

    }

    private static int jie(int i) {
        if (i == 0 || i == 1) {
            return 1;
        }
        return i * jie(i - 1);
    }
}
